strange DNS problem

[Mark_Andrews at iengines.com]

	If you want answers don't hide the domain in question.

	What most probably is the problem is that the NS rrset in
	the zone does not match that in the parent and all the NS's
	listed in the zone are lame.

	Mark

> I'm having a problem doing a lookup on a customer's ISP's nameserver.
> 
> Nov 16 14:55:53 avarice named[30641]: ns_resp:
> query(www2.domain.com) All possible A RR's lame
> 
> I can do a lookup on www.domain.com, and my nameserver returns it from its
> cache.  If I try to look up www2.domain.com, it just hangs -- I got the
> above error in my syslog output.  If I kill named and restart it, it comes
> back up but then disappears shortly thereafter(?????).
> 
> Even stranger, when I restart it, I am able to do 1 lookup.  After that,
> everything hangs.  It's absolutely bizarre.  For example, I do an
> 'nslookup -type=SOA' and get a response.  After that, I can't do an A
> record lookup on www. or www2.  If I then kill named, start it again, I
> can do a lookup on www., but after that I can't even redo the SOA lookup
> on the domain, nor can I check www2.
> 
> ns1.sprint.ca also appears to have the same problem -- it can only do a
> lookup on www.domain.com, but the other (www2) it returns "Non-existent
> host/domain".  ns1.home.com also can't find it.  Presumably, this is
> because they did their one lookup and are now locked out.  However, the
> customer who owns the domain can reach it, and the hosting company that's
> hosting it also claims that everything is OK.  I'm being blamed for not
> setting everything up on my end correctly (all I'm installing is a simple
> CGI script) but this obviously isn't my fault.  Has anyone ever seen
> behaviour like this?
> 
> ---
> tani hosokawa
> river styx internet
> 
> 
> 
--
Mark Andrews, Internet Engines Inc. / Internet Software Consortium
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: Mark_Andrews at iengines.com